uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/python-modules/velbus-aio/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, backoff
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, pyserial
+, pyserial-asyncio
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "velbus-aio";
+  version = "2022.5.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "Cereal2nd";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-XdPrKNUvAHsqw3nv7Ws2zBYDBqEOEeEUHLdB2+f+p+w=";
+    fetchSubmodules = true;
+  };
+
+  propagatedBuildInputs = [
+    backoff
+    pyserial
+    pyserial-asyncio
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "velbusaio"
+  ];
+
+  meta = with lib; {
+    description = "Python library to support the Velbus home automation system";
+    homepage = "https://github.com/Cereal2nd/velbus-aio";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}